1
|
Ju G, Huang Z, Zhao Y. Trialkoxysilane-Induced Iridium-Catalyzed para-Selective C-H Bond Borylation of Arenes. Nat Commun 2024; 15:2847. [PMID: 38565860 PMCID: PMC10987550 DOI: 10.1038/s41467-024-47205-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 03/22/2024] [Indexed: 04/04/2024] Open
Abstract
An ideal approach for the construction of aryl boron compounds is to selectively replace a C-H bond in arenes with a C-B bond, and controlling regioselectivity is one of the most challenging aspects of these transformations. Herein, we report an iridium-catalyzed trialkoxysilane protecting group-assisted regioselective C-H borylation of arenes, including derivatives of benzaldehydes, acetophenones, benzoic acids, benzyl alcohols, phenols, aryl silanes, benzyl silanes, and multi-functionalized aromatic rings are all well tolerated and gave the para -selective C-H borylation products in a short time without the requirement of inert gases atmosphere. The site-selective C-H borylation can be adjustable by installing the developed trialkoxysilane protecting group on different functional groups on one aromatic ring. Importantly, the preparation process of the trialkoxychlorosilane is efficient and scalable. Mechanistic and computational studies reveal that the steric hindrance of the trialkoxysilane protecting group plays a key role in dictating the para-selectivity.
Collapse
Affiliation(s)
- Guodong Ju
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Zhibin Huang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China.
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, 453000, China.
| |
Collapse
|
2
|
Sequeira L, Distinto S, Meleddu R, Gaspari M, Angeli A, Cottiglia F, Secci D, Onali A, Sanna E, Borges F, Uriarte E, Alcaro S, Supuran CT, Maccioni E. 2H-chromene and 7H-furo-chromene derivatives selectively inhibit tumour associated human carbonic anhydrase IX and XII isoforms. J Enzyme Inhib Med Chem 2023; 38:2270183. [PMID: 37870190 PMCID: PMC11003494 DOI: 10.1080/14756366.2023.2270183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/02/2023] [Indexed: 10/24/2023] Open
Abstract
Tumour associated carbonic anhydrases (CAs) IX and XII have been recognised as potential targets for the treatment of hypoxic tumours. Therefore, considering the high pharmacological potential of the chromene scaffold as selective ligand of the IX and XII isoforms, two libraries of compounds, namely 2H-chromene and 7H-furo-chromene derivatives, with diverse substitution patterns were designed and synthesised. The structure of the newly synthesised compounds was characterised and their inhibitory potency and selectivity towards human CA off target isoforms I, II and cancer-associated CA isoforms IX and XII were evaluated. Most of the compounds inhibit CA isoforms IX and XII with no activity against the I and II isozymes. Thus, while the potency was influenced by the substitution pattern along the chromene scaffold, the selectivity was conserved along the series, confirming the high potential of both 2H-chromene and 7H-furo-chromene scaffolds for the design of isozyme selective inhibitors.
Collapse
Affiliation(s)
- Lisa Sequeira
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
- CIQUP-IMS/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Simona Distinto
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| | - Rita Meleddu
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| | - Marco Gaspari
- Department of Experimental and Clinical Medicine, Research Centre for Advanced Biochemistry and Molecular Biology, “Magna Græcia” University of Catanzaro, Catanzaro, Italy
| | - Andrea Angeli
- Department of NEUROFARBA, Section of Pharmaceutical Sciences, University of Florence, Florence, Italy
| | - Filippo Cottiglia
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| | - Daniela Secci
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| | - Alessia Onali
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| | - Erica Sanna
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| | - Fernanda Borges
- CIQUP-IMS/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Eugenio Uriarte
- Department of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Stefano Alcaro
- Department of Health Sciences, “Magna Græcia” University of Catanzaro, Catanzaro, Italy
| | - Claudiu T. Supuran
- Department of NEUROFARBA, Section of Pharmaceutical Sciences, University of Florence, Florence, Italy
| | - Elias Maccioni
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, Italy
| |
Collapse
|
3
|
Li S, Sun J, Liu S, Zhou F, Gross ML, Li W. Missense VKOR mutants exhibit severe warfarin resistance but lack VKCFD via shifting to an aberrantly reduced state. Blood Adv 2023; 7:2271-2282. [PMID: 36508285 PMCID: PMC10225482 DOI: 10.1182/bloodadvances.2021006876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 11/07/2022] [Accepted: 11/08/2022] [Indexed: 12/14/2022] Open
Abstract
Missense vitamin K epoxide reductase (VKOR) mutations in patients cause resistance to warfarin treatment but not abnormal bleeding due to defective VKOR activity. The underlying mechanism of these phenotypes remains unknown. Here we show that the redox state of these mutants is essential to their activity and warfarin resistance. Using a mass spectrometry-based footprinting method, we found that severe warfarin-resistant mutations change the VKOR active site to an aberrantly reduced state in cells. Molecular dynamics simulation based on our recent crystal structures of VKOR reveals that these mutations induce an artificial opening of the protein conformation that increases access of small molecules, enabling them to reduce the active site and generating constitutive activity uninhibited by warfarin. Increased activity also compensates for the weakened substrate binding caused by these mutations, thereby maintaining normal VKOR function. The uninhibited nature of severe resistance mutations suggests that patients showing signs of such mutations should be treated by alternative anticoagulation strategies.
Collapse
Affiliation(s)
- Shuang Li
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO
| | - Jie Sun
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO
| | - Shixuan Liu
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO
| | - Fengbo Zhou
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO
| | - Michael L. Gross
- Department of Chemistry, Washington University in St. Louis, St. Louis, MO
| | - Weikai Li
- Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO
| |
Collapse
|
4
|
Chen Z, Li H, Liao Y, Wang M, Su W. Direct synthesis of alkylated 4-hydroxycoumarin derivatives via a cascade Cu-catalyzed dehydrogenation/conjugate addition sequence. Chem Commun (Camb) 2023; 59:6686-6689. [PMID: 37183637 DOI: 10.1039/d3cc01960h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
An efficient approach for the direct synthesis of alkylated 4-hydroxycoumarin derivatives via a Cu-catalyzed cascade dehydrogenation/conjugate addition sequence starting from simple saturated ketones and 4-hydroxycoumarins has been developed. This protocol features excellent functional-group tolerance, easy scale-up, and a broad substrate scope including bioactive molecules. More importantly, a series of marketed drugs, such as warfarin, acenocoumarol, coumachlor, and coumafuryl, can be obtained by this method.
Collapse
Affiliation(s)
- Zhiliang Chen
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
- State Key Laboratory of Structural Chemistry, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
| | - Hongyi Li
- State Key Laboratory of Structural Chemistry, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
| | - Yanjing Liao
- State Key Laboratory of Structural Chemistry, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
| | - Mengqi Wang
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
- State Key Laboratory of Structural Chemistry, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
| | - Weiping Su
- State Key Laboratory of Structural Chemistry, Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
| |
Collapse
|
5
|
Patel M, Parekh JN, Chudasama DD, Patel HC, Dalwadi P, Kunjadiya A, Bhatt V, Ram KR. Meglumine-Promoted Eco-Compatible Pseudo-Three-Component Reaction for the Synthesis of 1,1-Dihomoarylmethane Scaffolds and Their Green Credentials. ACS OMEGA 2022; 7:30420-30439. [PMID: 36061687 PMCID: PMC9435056 DOI: 10.1021/acsomega.2c03787] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/03/2022] [Indexed: 05/22/2023]
Abstract
A simple, straightforward, and energy-efficient greener route for the synthesis of a series of biologically interesting functionalized 1,1-dihomoarylmethane scaffolds has been developed in the presence of meglumine as an efficient and eco-friendly organo-catalyst via one-pot pseudo-three-component reaction at room temperature. Following this protocol, it is possible to synthesize 1,1-dihomoarylmethane scaffolds of an assortment of C-H activated acids such as dimedone, 1,3-cyclohexadione, 4-hydroxy-6-methyl-2-pyrone, 4-hydroxycoumarin, and 1-phenyl-3-methyl-pyrazolone. The salient features of the present green protocol are mild reaction conditions, good to excellent yields, operational simplicity, easy isolation of products, no cumbersome post treatment, high atom economy, and low E-factor. In addition, this chemistry portrays several green advantages including the reusability of reaction media and product scalability, which makes protocol sustainably efficient. Additionally, several control experiments such as protection of catalyst reactive site, D2O exchange, and 1H NMR studies revealed possible pathways for meglumine-promoted reactions. Inspired by the natural physiological environment of 1,1-dihomoarylmethane scaffolds, we reconnoitered the biological profile of our compounds and synthesized compounds that were promising for their antiproliferative and antibacterial activities.
Collapse
Affiliation(s)
- Manan
S. Patel
- Department
of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388
120, Gujarat, India
| | - Jaydeepkumar N. Parekh
- Department
of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388
120, Gujarat, India
| | - Dipakkumar D. Chudasama
- Department
of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388
120, Gujarat, India
| | - Harsh C. Patel
- Department
of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388
120, Gujarat, India
| | - Priyanka Dalwadi
- Department
of Applied and Interdisciplinary Sciences (IICISST), Sardar Patel University, Vallabh
Vidyanagar 388 120, Gujarat, India
| | - Anju Kunjadiya
- Department
of Applied and Interdisciplinary Sciences (IICISST), Sardar Patel University, Vallabh
Vidyanagar 388 120, Gujarat, India
| | - Vaibhav Bhatt
- School
of Applied Sciences and Technology, Gujarat
Technological University, Ahmedabad 382 424, Gujarat, India
| | - Kesur R. Ram
- Department
of Chemistry, Sardar Patel University, Vallabh Vidyanagar 388
120, Gujarat, India
- . Phone: +91-9624878456
| |
Collapse
|
6
|
Bortolini DG, Barros L, Maciel GM, Brugnari T, Modkovski TA, Fachi MM, Pontarolo R, Pinela J, Ferreira ICFR, Haminiuk CWI. Bioactive profile of edible nasturtium and rose flowers during simulated gastrointestinal digestion. Food Chem 2022; 381:132267. [PMID: 35123228 DOI: 10.1016/j.foodchem.2022.132267] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/14/2022] [Accepted: 01/24/2022] [Indexed: 11/16/2022]
Abstract
Rose and nasturtium are common ornamental edible flowers rich in phytochemicals whose application as food is not widely explored. The gastrointestinal environment can modify these compounds, resulting in new combinations with different bioactivity. This study aimed to evaluate the effects of simulated gastrointestinal digestion (SGD) on rose and nasturtium flower extracts. Using UPLC-HRMS, 38 phenolic compounds were identified, and the SGD caused significant changes, mainly in the glycosylated phenolic. Furthermore, antioxidant activity was correlated with the increase in the concentrations of some polyphenols. Tested Gram-negative bacteria showed sensitivity to the flower extracts; their growth was inhibited by up to 82.7%. SGD interrupted the bacterial growth inhibition power of the rose extracts. On the other hand, an increase in inhibition ranging from 52.25 to 54.72%was found for nasturtium extracts, correlated to the behavior of some bioactive. Hence, SGD resulted in significant changes in phenolic profiles of the edible flowers, increasing antioxidant activity and changing antimicrobial effects.
Collapse
Affiliation(s)
- Débora Gonçalves Bortolini
- Programa de Pós-Graduação em Engenharia de Alimentos (PPGEAL), Universidade Federal do Paraná, Campus Centro Politécnico, Curitiba, Paraná 81531-990, Brazil
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Giselle Maria Maciel
- Laboratório de Biotecnologia, Departamento Acadêmico de Química e Biologia (DAQBi), Universidade Tecnológica Federal do Paraná, Sede Ecoville, Curitiba, Paraná 81280-340, Brazil
| | - Tatiane Brugnari
- Laboratório de Biotecnologia, Departamento Acadêmico de Química e Biologia (DAQBi), Universidade Tecnológica Federal do Paraná, Sede Ecoville, Curitiba, Paraná 81280-340, Brazil
| | - Tatiani Andressa Modkovski
- Laboratório de Biotecnologia, Departamento Acadêmico de Química e Biologia (DAQBi), Universidade Tecnológica Federal do Paraná, Sede Ecoville, Curitiba, Paraná 81280-340, Brazil
| | - Mariana Millan Fachi
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Paraná, Curitiba, Campus Jardim Botânico, Curitiba, Paraná 80210-170, Brazil
| | - Roberto Pontarolo
- Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Paraná, Curitiba, Campus Jardim Botânico, Curitiba, Paraná 80210-170, Brazil
| | - José Pinela
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Isabel C F R Ferreira
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Charles Windson Isidoro Haminiuk
- Laboratório de Biotecnologia, Departamento Acadêmico de Química e Biologia (DAQBi), Universidade Tecnológica Federal do Paraná, Sede Ecoville, Curitiba, Paraná 81280-340, Brazil.
| |
Collapse
|
7
|
Pawar V, Shastri LA, Gudimani P, Joshi S, Kumbar VM, Sunagar V. Rational design, synthesis and SAR study of novel warfarin analogous of 4-hydroxy coumarin-beta-aryl propanoic acid derivatives as potent anti-inflammatory agents. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132300] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
|
8
|
Belal M, Mondal S, Yashmin S, Khan AT. Reactivity switch-over of 4-hydroxydithiocoumarins under various conditions and their application in organic synthesis. Org Biomol Chem 2021; 20:715-726. [PMID: 34950941 DOI: 10.1039/d1ob01357b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
4-Hydroxydithiocoumarin is a valuable organic precursor to architect important heterocycles. The three different reactive nucleophilic sites in 4-hydroxydithiocoumarins display intriguing regioselectivity in their reaction towards various electrophiles. Previously, 4-hydroxydithiocoumarins have been used in the synthesis of heterocycles using Claisen and thio-Claisen reactions. Hetero-Diels-Alder reactions involving 4-hydroxydithiocoumarins have proven to be very convenient in assembling complex molecular organic frameworks from readily available feedstocks. Development of multicomponent reactions employing 4-hydroxydithiocoumarins has given rise to several important reaction protocols to access polycyclic compounds. Recently, this moiety has been used in forging some unusual S-S, S-N and S-O bonds under oxidative conditions which further explores its hidden reactivity in organic synthesis. Besides that, hydrothiolation of various alkynes and alkenes using 4-hydroxydithiocoumarins has led to the synthesis of some potential lead molecules. This mini-review provides an account of the reactivity pattern of 4-hydroxydithiocoumarins and their strategic applications in various reactions for the synthesis of several heterocycles and other important organic syntheses.
Collapse
Affiliation(s)
- Md Belal
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam, India.
| | - Santa Mondal
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam, India.
| | - Sabina Yashmin
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam, India.
| | - Abu Taleb Khan
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam, India.
| |
Collapse
|
9
|
Shadakshari A, Suresha Kumara T, Sowmya H, Ismail, Harish B, Yamuna A. Recyclable Amberlite IR-120 Catalyzed domino reaction: Synthesis, anticancer activity and molecular docking studies of biscoumarins. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
10
|
Borah B, Dhar Dwivedi K, Chowhan LR. 4‐Hydroxycoumarin: A Versatile Substrate for Transition‐metal‐free Multicomponent Synthesis of Bioactive Heterocycles. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100550] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Biplob Borah
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| | - Kartikey Dhar Dwivedi
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| | - L. Raju Chowhan
- School of Applied Material Sciences Centre for Applied Chemistry Central University of Gujarat Sector-30 Gandhinagar 382030 India
| |
Collapse
|
11
|
Competitive tight-binding inhibition of VKORC1 underlies warfarin dosage variation and antidotal efficacy. Blood Adv 2021; 4:2202-2212. [PMID: 32433747 DOI: 10.1182/bloodadvances.2020001750] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/24/2020] [Indexed: 11/20/2022] Open
Abstract
Dose control of warfarin is a major complication in anticoagulation therapy and overdose is reversed by the vitamin K antidote. Improving the dosage management and antidotal efficacy requires mechanistic understanding. Here we find that effects of the major predictor of warfarin dosage, SNP -1639 G>A, follow a general correlation that warfarin 50% inhibitory concentration decreases with cellular level of vitamin K epoxide reductase (VKORC1), suggesting stoichiometric inhibition. Characterization of the inhibition kinetics required the use of microsomal VKORC1 with a native reductant, glutathione, that enables effective warfarin inhibition in vitro. The kinetics data can be fitted with the Morrison equation, giving a nanomolar inhibition constant and demonstrating that warfarin is a tight-binding inhibitor. However, warfarin is released from purified VKORC1-warfarin complex with increasing amount of vitamin K, indicating competitive inhibition. The competition occurs also in cells, resulting in rescued VKORC1 activity that augments the antidotal effects of vitamin K. Taken together, warfarin is a competitive inhibitor that binds VKORC1 tightly and inhibits at a stoichiometric (1:1) concentration, whereas exceeding the VKORC1 level results in warfarin overdose. Thus, warfarin dosage control should use VKORC1 level as a major indicator, and improved antidotes may be designed based on their competition with warfarin.
Collapse
|
12
|
Nischitha R, Shivanna MB. Antimicrobial activity and metabolite profiling of endophytic fungi in Digitaria bicornis (Lam) Roem. and Schult. and Paspalidium flavidum (Retz.) A. Camus. 3 Biotech 2021; 11:53. [PMID: 33489672 DOI: 10.1007/s13205-020-02590-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 12/03/2020] [Indexed: 11/29/2022] Open
Abstract
Endophytic fungal occurrences were studied in aerial regions of Digitaria bicornis and Paspalidium flavidum by three isolation methods: potato dextrose agar (PDA), malt extract agar (MEA), and moist blotters. Seventy species of 29 genera of endophytic fungi in D. bicornis and 71 species of 30 genera in P. flavidum were documented. Endophytic fungal communities were grouped into 40 and 43 anamorphic ascomycetes (21 and 23 genera) and 20 teleomorphic ascomycetes (6 and 7 genera) in D. bicornis and P. flavidum, respectively. PDA supported the expression of larger number of fungal communities than MEA and MB; and P. flavidum hosted more number of endophytic fungi than D. bicornis. Seasons played an important role in supporting the assemblage of fungal endophytes. Endophytic fungal species richness and assemblages in plant regions were determined for alpha, beta, and gamma diversities. The ethyl acetate followed by methanolic extracts of certain fungal species showed good antagonistic and antibacterial activities. Among fungal endophytes, Curvularia protuberata and Penicillium citrinum exhibited high antagonistic and antibacterial activities. The high-resolution orbitrap liquid chromatography-mass spectrometry of ethyl acetate crude extracts of C. protuberata and P. citrinum revealed the presence of antifungal and antimicrobial, besides a host of compounds in the extracts. The present study indicated that grass endophytes are the sources of compounds with antimicrobial and other pharmacological activities.
Collapse
Affiliation(s)
- R Nischitha
- Department of PG Studies and Research in Applied Botany, School of Biosciences, Kuvempu University, Jnana Sahyadri 577 451, Shimoga, Shankaraghatta India
| | - M B Shivanna
- Department of PG Studies and Research in Applied Botany, School of Biosciences, Kuvempu University, Jnana Sahyadri 577 451, Shimoga, Shankaraghatta India
| |
Collapse
|
13
|
Sharma S, Sarma B, Baishya G. Direct synthesis of 4-hydroxycoumarins and 4-hydroxy-6-methyl-2-pyrone containing chroman-4-ones via a silver catalyzed radical cascade cyclization reaction. NEW J CHEM 2021. [DOI: 10.1039/d1nj03437e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A novel AgNO3/K2S2O8 catalyzed radical cascade cyclization reaction of 2-(allyloxy)arylaldehydes with 4-hydroxycoumarins and 4-hydroxy-6-methyl-2-pyrone produces two new series of chroman-2-ones.
Collapse
Affiliation(s)
- Suraj Sharma
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| | - Bipul Sarma
- Department of Chemical Sciences, Tezpur University, Tezpur, 784028, India
| | - Gakul Baishya
- Chemical Science & Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, 201002, India
| |
Collapse
|
14
|
Chatterjee R, Mukherjee A, Santra S, Zyryanov GV, Chupakhin ON, Majee A. An expedient solvent-free C-benzylation of 4-hydroxycoumarin with styrenes. MENDELEEV COMMUNICATIONS 2021. [DOI: 10.1016/j.mencom.2021.01.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
|
15
|
Annunziata F, Pinna C, Dallavalle S, Tamborini L, Pinto A. An Overview of Coumarin as a Versatile and Readily Accessible Scaffold with Broad-Ranging Biological Activities. Int J Mol Sci 2020; 21:E4618. [PMID: 32610556 PMCID: PMC7370201 DOI: 10.3390/ijms21134618] [Citation(s) in RCA: 131] [Impact Index Per Article: 32.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 06/22/2020] [Accepted: 06/28/2020] [Indexed: 12/19/2022] Open
Abstract
Privileged structures have been widely used as an effective template for the research and discovery of high value chemicals. Coumarin is a simple scaffold widespread in Nature and it can be found in a considerable number of plants as well as in some fungi and bacteria. In the last years, these natural compounds have been gaining an increasing attention from the scientific community for their wide range of biological activities, mainly due to their ability to interact with diverse enzymes and receptors in living organisms. In addition, coumarin nucleus has proved to be easily synthetized and decorated, giving the possibility of designing new coumarin-based compounds and investigating their potential in the treatment of various diseases. The versatility of coumarin scaffold finds applications not only in medicinal chemistry but also in the agrochemical field as well as in the cosmetic and fragrances industry. This review is intended to be a critical overview on coumarins, comprehensive of natural sources, metabolites, biological evaluations and synthetic approaches.
Collapse
Affiliation(s)
- Francesca Annunziata
- Department of Pharmaceutical Science, University of Milan, via Mangiagalli 25, 20133 Milan, Italy; (F.A.); (C.P.)
| | - Cecilia Pinna
- Department of Pharmaceutical Science, University of Milan, via Mangiagalli 25, 20133 Milan, Italy; (F.A.); (C.P.)
| | - Sabrina Dallavalle
- Department of Food, Environmental and Nutritional Sciences, University of Milan, via Celoria 2, 20133 Milan, Italy; (S.D.); (A.P.)
| | - Lucia Tamborini
- Department of Pharmaceutical Science, University of Milan, via Mangiagalli 25, 20133 Milan, Italy; (F.A.); (C.P.)
| | - Andrea Pinto
- Department of Food, Environmental and Nutritional Sciences, University of Milan, via Celoria 2, 20133 Milan, Italy; (S.D.); (A.P.)
| |
Collapse
|
16
|
The molecular diversity scope of 4-hydroxycoumarin in the synthesis of heterocyclic compounds via multicomponent reactions. Mol Divers 2019; 23:1029-1064. [PMID: 30697671 DOI: 10.1007/s11030-019-09918-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/09/2019] [Indexed: 10/27/2022]
Abstract
4-Hydroxycoumarins are some of the most versatile heterocyclic scaffolds and are frequently applied in the synthesis of various organic compounds. 4-Hydroxycoumarin-based compounds are important among heterocyclic structures due to their biological and pharmaceutical activities. In this study, we provide an overview on the recent applications of 4-hydroxycoumarin in multicomponent reactions for the synthesis of various heterocyclic compounds during the time period of 2015-2018.
Collapse
|
17
|
Sharma H, Srivastava S. Anion functionalized ionic liquid from artificial sugar: a sustainable pathway for diverse bis-enol derivatives. NEW J CHEM 2019. [DOI: 10.1039/c9nj01899a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An artificial sugar saccharine based anion-functionalized ionic liquid [Bmim]Sac was synthesized and used for new and straightforward strategies for the construction of a diverse range of bis-enols.
Collapse
Affiliation(s)
- Himani Sharma
- Department of Applied Sciences
- National Institute of Technology Delhi
- Delhi
- India
| | - Suman Srivastava
- Department of Applied Sciences
- National Institute of Technology Delhi
- Delhi
- India
| |
Collapse
|
18
|
Abdou MM, El-Saeed RA, Bondock S. Recent advances in 4-hydroxycoumarin chemistry. Part 1: Synthesis and reactions. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2015.06.012] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
|
19
|
Grygoriv GV, Lega DA, Chernykh VP, Zaprutko L, Gzella AK, Pawełczyk A, Shemchuk LA. 1,2-Benzoxathiin-4(3 H)-one 2,2-dioxide - new enol nucleophile in three-component interaction with benzaldehydes and active methylene nitriles. RSC Adv 2018; 8:37295-37302. [PMID: 35557776 PMCID: PMC9089229 DOI: 10.1039/c8ra06801a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 10/15/2018] [Indexed: 11/21/2022] Open
Abstract
The reactivity of 1,2-benzoxathiin-4(3H)-one 2,2-dioxide was studied in multicomponent type reactions for the first time, namely, in a three-component interaction with active methylene nitriles and aromatic aldehydes in order to construct condensed 2-amino-4H-pyran derivatives. The reaction outcome strongly depended on the nature of an active methylene nitrile and an arenecarbaldehyde. Application of malononitrile resulted in novel 2-amino-4-aryl-4H-pyrano[3,2-c][1,2]benzoxathiine-3-carbonitrile 5,5-dioxides in most cases, whereas the utilization of ethyl cyanoacetate resulted in a complex mixture of products. In the last case, three different products were isolated depending on the arenecarbaldehyde used, namely ethyl 2-amino-4-aryl-4H-pyrano[3,2-c][1,2]benzoxathiine-3-carboxylate 5,5-dioxides, ethyl 2-cyano-3-arylacrylates, and salts of 3,3′-(arylmethylene)bis(4-hydroxybenzo[e][1,2]oxathiine 2,2-dioxides). Attempts to obtain separately ethyl 2-amino-4-aryl-4H-pyrano[3,2-c][1,2]benzoxathiine-3-carboxylate 5,5-dioxides enabled us to propose reaction pathways leading to these products. The salts were obtained for the first time. The preparative method for the synthesis of triethylammonium salts of 3,3′-(arylmethylene)bis(4-hydroxybenzo[e][1,2]oxathiine 2,2-dioxides) was proposed by the direct interaction of 1,2-benzoxathiin-4(3H)-one 2,2-dioxide with arenecarbaldehydes. The application of ammonium acetate as a catalyst allowed us to synthesize 7-aryl-7,14-dihydrobenzo[5,6][1,2]oxathiino[4,3-b]benzo[5,6][1,2]oxathiino[3,4-e]pyridine 6,6,8,8-tetraoxides containing a novel heterocyclic system. These facts, combined with our past investigations, allowed us to assert that the reactivity of enol nucleophiles that include the COCH2SO2X fragment has not been reported previously. Reactivity of 1,2-benzoxathiin-4(3H)-one 2,2-dioxide was for the first time studied in multicomponent type reactions involving active methylene nitriles and aromatic aldehydes.![]()
Collapse
Affiliation(s)
- Galyna V Grygoriv
- National University of Pharmacy Pushkinska Str. 53 Kharkiv 61001 Ukraine
| | - Dmitry A Lega
- National University of Pharmacy Pushkinska Str. 53 Kharkiv 61001 Ukraine
| | | | - Lucjusz Zaprutko
- Poznan University of Medical Sciences, Pharmaceutical Faculty, Organic Chemistry Department 6 Grunwaldzka Str 60-780 Poznan Poland
| | - Andrzej K Gzella
- Poznan University of Medical Sciences, Pharmaceutical Faculty, Organic Chemistry Department 6 Grunwaldzka Str 60-780 Poznan Poland
| | - Anna Pawełczyk
- Poznan University of Medical Sciences, Pharmaceutical Faculty, Organic Chemistry Department 6 Grunwaldzka Str 60-780 Poznan Poland
| | - Leonid A Shemchuk
- National University of Pharmacy Pushkinska Str. 53 Kharkiv 61001 Ukraine
| |
Collapse
|
20
|
Serna MJ, Rivera-Caravaca JM, Gonzalez-Conejero R, Esteve-Pastor MA, Valdés M, Vicente V, Lip GYH, Roldán V, Marín F. Pharmacogenetics of vitamin K antagonists and bleeding risk prediction in atrial fibrillation. Eur J Clin Invest 2018; 48:e12929. [PMID: 29577257 DOI: 10.1111/eci.12929] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 03/19/2018] [Indexed: 12/16/2022]
Abstract
BACKGROUND Polymorphisms in the vitamin K epoxide reductase complex 1 (VKORC1) and cytochrome P450 2C9 (CYP2C9) genes increase the bleeding risk in anticoagulated atrial fibrillation (AF) patients. Here, we aimed to investigate whether VKORC1 and CYP2C9 polymorphisms improved the predictive performance for major bleeding using the HAS-BLED score. MATERIAL AND METHODS We recruited 652 consecutive AF patients stable on vitamin K antagonist (INR 2.0-3.0) during at least the previous 6 months. A baseline venous blood sample was obtained for DNA extraction. We gave an extra point to the HAS-BLED score if the patient was a simultaneous carrier of the VKORC1 and CYP2C9 polymorphisms related to bleeding, and we called this modified score "GEN|HAS-BLED." During a median follow-up of 7.6 years (IQR 5.6-8.0), all major bleeding events were recorded. RESULTS During follow-up, 106 (16.2%) patients experienced a major bleeding (2.81%/y; 42 intracranial haemorrhages and 44 gastrointestinal bleeding) and 24 (3.7%) died from major bleeding (0.48%/y). Cox regression analyses demonstrated a significant association between HAS-BLED or GEN|HAS-BLED and major bleeds, both as continuous or categorical scores. Comparison of receiver operating characteristic (ROC) curves shows that original HAS-BLED clinical score had better predictive ability than GEN|HAS-BLED (0.660, 95% CI 0.622-0.696 vs 0.645, 95% CI 0.607-0.682; P = .030). Discrimination and reclassification analyses showed that GEN|HAS-BLED did not improve sensitivity compared with the original score and even showed significant negative reclassification. CONCLUSION Adding pharmacogenetic factors (ie polymorphisms of the VKORC1 and CYP2C9 genes) to the HAS-BLED score does not improve the prediction or discrimination performance for major bleeding.
Collapse
Affiliation(s)
- María José Serna
- Department of Hematology and Clinical Oncology, Hospital General Universitario Morales Meseguer, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain
| | - José Miguel Rivera-Caravaca
- Department of Hematology and Clinical Oncology, Hospital General Universitario Morales Meseguer, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain
| | - Rocío Gonzalez-Conejero
- Centro Regional de Hemodonación, Universidad de Murcia, CIBERER, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain
| | - María Asunción Esteve-Pastor
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBER-CV, Murcia, Spain
| | - Mariano Valdés
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBER-CV, Murcia, Spain
| | - Vicente Vicente
- Department of Hematology and Clinical Oncology, Hospital General Universitario Morales Meseguer, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain.,Centro Regional de Hemodonación, Universidad de Murcia, CIBERER, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain
| | - Gregory Y H Lip
- Institute of Cardiovascular Sciences, University of Birmingham, Birmingham, UK.,Aalborg Thrombosis Research Unit, Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
| | - Vanessa Roldán
- Department of Hematology and Clinical Oncology, Hospital General Universitario Morales Meseguer, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), Murcia, Spain
| | - Francisco Marín
- Department of Cardiology, Hospital Clínico Universitario Virgen de la Arrixaca, Instituto Murciano de Investigación Biosanitaria (IMIB-Arrixaca), CIBER-CV, Murcia, Spain
| |
Collapse
|
21
|
Kalalbandi VKA, Bijjaragi SC, Seetharamappa J. Multicomponent Synthesis and Antimicrobial Activity of Dihydropyran-bis Coumarins. ChemistrySelect 2018. [DOI: 10.1002/slct.201800335] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
22
|
Warfarin alters vitamin K metabolism: a surprising mechanism of VKORC1 uncoupling necessitates an additional reductase. Blood 2018; 131:2826-2835. [PMID: 29592891 DOI: 10.1182/blood-2017-09-804666] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 03/07/2018] [Indexed: 11/20/2022] Open
Abstract
The anticoagulant warfarin inhibits the vitamin K oxidoreductase (VKORC1), which generates vitamin K hydroquinone (KH2) required for the carboxylation and consequent activation of vitamin K-dependent (VKD) proteins. VKORC1 produces KH2 in 2 reactions: reduction of vitamin K epoxide (KO) to quinone (K), and then KH2 Our dissection of full reduction vs the individual reactions revealed a surprising mechanism of warfarin inhibition. Warfarin inhibition of KO to K reduction and carboxylation that requires full reduction were compared in wild-type VKORC1 or mutants (Y139H, Y139F) that cause warfarin resistance. Carboxylation was much more strongly inhibited (∼400-fold) than KO reduction (two- to threefold). The K to KH2 reaction was analyzed using low K concentrations that result from inhibition of KO to K. Carboxylation that required only K to KH2 reduction was inhibited much less than observed with the KO substrate that requires full VKORC1 reduction (eg, 2.5-fold vs 70-fold, respectively, in cells expressing wild-type VKORC1 and factor IX). The results indicate that warfarin uncouples the 2 reactions that fully reduce KO. Uncoupling was revealed because a second activity, a warfarin-resistant quinone reductase, was not present. In contrast, 293 cells expressing factor IX and this reductase activity showed much less inhibition of carboxylation. This activity therefore appears to cooperate with VKORC1 to accomplish full KO reduction. Cooperation during warfarin therapy would have significant consequences, as VKD proteins function in numerous physiologies in many tissues, but may be poorly carboxylated and dysfunctional if the second activity is not ubiquitously expressed similar to VKORC1.
Collapse
|
23
|
Razikazemi S, Rad-Moghadam K, Toorchi-Roudsari S. A nano-composite of magnetite and hot-water-soluble starch: a cooperation resulting in an amplified catalytic activity on water. NEW J CHEM 2018. [DOI: 10.1039/c8nj00718g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A cooperation between magnetite and hot-water-soluble starch led to an efficient catalytic activity of their nano-composite in the pseudo three-component synthesis of bis-coumarins and xanthenes.
Collapse
Affiliation(s)
- Sanaz Razikazemi
- Chemistry Department
- University campus 2
- University of Guilan
- Rasht
- Iran
| | | | | |
Collapse
|
24
|
Zolfigol MA, Navazeni M, Yarie M, Ayazi-Nasrabadi R. Application of Fe3O4@SiO2/(CH2)3-[imidazolium-SO3H]Cl as a robust, magnetically recoverable solid acid catalyst for the facile preparation of arylbispyranylmethanes. CAN J CHEM 2017. [DOI: 10.1139/cjc-2017-0232] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this study, Fe3O4@SiO2/(CH2)3-[imidazolium-SO3H]Cl shows robust promoting capability in the synthesis of arylbispyranylmethane derivatives under mild and green conditions. Arylbispyranylmethanes were synthesized via efficient three-component reaction of various aromatic aldehydes with 4-hydroxy-6-methyl-2H-pyran-2-one. The nanomagnetic core-shell catalyst presented effective potential of at least eight times recycling applicability in the described synthetic procedure.
Collapse
Affiliation(s)
- Mohammad Ali Zolfigol
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
| | - Mahdiyeh Navazeni
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
| | - Meysam Yarie
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
| | - Roya Ayazi-Nasrabadi
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
- Department of Organic Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O. Box 6517838683, Hamedan, Iran
| |
Collapse
|
25
|
Farahi M, Karami B, Jokar A, Eskandari K. An Environmentally Benign Synthesis of Pyrimidine-Fused Coumarin and Triazole Motifs via a Catalytic Domino Reaction. ORG PREP PROCED INT 2017. [DOI: 10.1080/00304948.2017.1380495] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Mahnaz Farahi
- Department of Chemistry, Yasouj University, P.O. Box 353, Yasouj, 75918-74831, Iran
| | - Bahador Karami
- Department of Chemistry, Yasouj University, P.O. Box 353, Yasouj, 75918-74831, Iran
| | - Akram Jokar
- Department of Chemistry, Yasouj University, P.O. Box 353, Yasouj, 75918-74831, Iran
| | - Khalil Eskandari
- Young Researchers and Elites Club, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| |
Collapse
|
26
|
Punchaichira TJ, Dey SK, Mukhopadhyay A, Kundu S, Thelma BK. Characterization of SNPs in the dopamine-β-hydroxylase gene providing new insights into its structure-function relationship. Neurogenetics 2017; 18:155-168. [PMID: 28707163 DOI: 10.1007/s10048-017-0519-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Revised: 06/27/2017] [Accepted: 06/29/2017] [Indexed: 11/24/2022]
Abstract
Dopamine-β-hydroxylase (DBH, EC 1.14.17.1), an oxido-reductase that catalyses the conversion of dopamine to norepinephrine, is largely expressed in sympathetic neurons and adrenal medulla. Several regulatory and structural variants in DBH associated with various neuropsychiatric, cardiovascular diseases and a few that may determine enzyme activity have also been identified. Due to paucity of studies on functional characterization of DBH variants, its structure-function relationship is poorly understood. The purpose of the study was to characterize five non-synonymous (ns) variants that were prioritized either based on previous association studies or Sorting Tolerant From Intolerant (SIFT) algorithm. The DBH ORF with wild type (WT) and site-directed mutagenized variants were transfected into HEK293 cells to generate transient and stable lines expressing these variant enzymes. Activity was determined by UPLC-PDA and corresponding quantity by MRMHR on a TripleTOF 5600 MS respectively of spent media from stable cell lines. Homospecific activity computed for the WT and variant proteins showed a marginal decrease in A318S, W544S and R549C variants. In transient cell lines, differential secretion was observed in the case of L317P, W544S and R549C. Secretory defect in L317P was confirmed by localization in ER. R549C exhibited both decreased homospecific activity and differential secretion. Of note, all the variants were seen to be destabilizing based on in silico folding analysis and molecular dynamics (MD) simulation, lending support to our experimental observations. These novel genotype-phenotype correlations in this gene of considerable pharmacological relevance have implications for dopamine-related disorders.
Collapse
Affiliation(s)
| | - Sanjay Kumar Dey
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Road, New Delhi, 110021, India
| | - Anirban Mukhopadhyay
- Department of Genetics, University of Delhi South Campus, Benito Juarez Road, New Delhi, 110021, India
| | - Suman Kundu
- Department of Biochemistry, University of Delhi South Campus, Benito Juarez Road, New Delhi, 110021, India
| | - B K Thelma
- Department of Genetics, University of Delhi South Campus, Benito Juarez Road, New Delhi, 110021, India.
| |
Collapse
|
27
|
Calvo AM, Zupelari-Gonçalves P, Dionísio TJ, Brozoski DT, Faria FA, Santos CF. Efficacy of piroxicam for postoperative pain after lower third molar surgery associated with CYP2C8*3 and CYP2C9. J Pain Res 2017; 10:1581-1589. [PMID: 28740425 PMCID: PMC5505550 DOI: 10.2147/jpr.s138147] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective Nonsteroidal anti-inflammatory drugs (NSAIDs) are metabolized by the cytochrome P450 enzymes (CYPs), predominantly CYP2C8 and CYP2C9. The aim of this study was to evaluate the possible association of polymorphisms in the CYP2C8*3 and CYP2C9 genes with the clinical efficacy of oral piroxicam (20 mg daily for 4 days) after lower third molar surgeries with regard to postoperative pain, swelling, trismus, adverse reactions, need for rescue medication and the volunteer’s overall satisfaction. Materials and methods For this purpose, 102 volunteers were genotyped for CYP2C8*3 and CYP2C9 polymorphisms. Briefly, genomic DNA was isolated from saliva collected from volunteers subjected to invasive lower third molar surgeries, and the preoperative, intraoperative and postoperative parameters were collected and analyzed. Results An equal amount of piroxicam sufficiently managed postoperative pain and inflammatory symptoms, with visual analog pain scores typically <40 mm for all genotypes investigated. Furthermore, only two out of 102 volunteers heterozygous for CYP2C8*3 and CYP2C9*3 reported adverse side effects. Conclusion In general, slow metabolizers of piroxicam, who were volunteers with mutant alleles, were indifferent from normal metabolizers with the wild-type alleles and therefore did not require specialized piroxicam doses to manage postoperative pain and inflammation.
Collapse
Affiliation(s)
- Adriana Maria Calvo
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Paulo Zupelari-Gonçalves
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Thiago José Dionísio
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Daniel Thomas Brozoski
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Flávio Augusto Faria
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| | - Carlos Ferreira Santos
- Department of Biological Sciences, Bauru School of Dentistry, University of São Paulo, São Paulo, Brazil
| |
Collapse
|
28
|
Zhao ZF, Wang K, Guo FF, Lu H. Inhibition of T24 and RT4 Human Bladder Cancer Cell Lines by Heterocyclic Molecules. Med Sci Monit 2017; 23:1156-1164. [PMID: 28260746 PMCID: PMC5352006 DOI: 10.12659/msm.898265] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Background Bladder cancer is a major widespread tumor of the genitourinary tract. Around 30% of patients with superficial cancers develop invasive and metastatic pathology. Material/Methods Some new heterocyclic 4-methyl coumarin derivatives were designed using molecular modeling studies to evaluate their potential against bladder cancer lines T24 and RT-4. The designed compounds that showed good binding affinity to T24 and RT4 were synthesized, with excellent yield. The synthesized compounds after structural evaluation were further evaluated for their antiproliferative activity by cell viability assay, cell cycle analysis, and apoptosis assay. Results The compound BC-14 exhibited the best cytotoxicity against T24 cells, but were not highly active against RT4 cells. Conclusions The results of the present study may suggest the selectivity pattern of the synthesized compounds. These results should be explored further with chemical modification for other cancer types.
Collapse
Affiliation(s)
- Zhi-Feng Zhao
- Department of Urinary Surgery, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Kai Wang
- Department of Urinary Surgery, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Feng-Fu Guo
- Department of Urinary Surgery, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Hua Lu
- Department of Urinary Surgery, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| |
Collapse
|
29
|
Montagut-Romans A, Boulven M, Jacolot M, Moebs-Sanchez S, Hascoët C, Hammed A, Besse S, Lemaire M, Benoit E, Lattard V, Popowycz F. Synthesis and biological evaluation of C-3 aliphatic coumarins as vitamin K antagonists. Bioorg Med Chem Lett 2017; 27:1598-1601. [PMID: 28254487 DOI: 10.1016/j.bmcl.2017.02.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 02/07/2017] [Accepted: 02/08/2017] [Indexed: 11/30/2022]
Abstract
Since the discovery of Warfarin in the 1940s, the design of new warfarin-derived anticoagulants for rodent management has been challenging, with mainly structural modifications performed on the C3 position of the coumarin skeleton. In order to better understand the pharmacomodulation of such derivatives, we have synthesized a family of C3 (linear and branched) alkyl-4-hydroxycoumarins, which led to the identification of compounds 5e and 5f as potential short-term active anticoagulants.
Collapse
Affiliation(s)
- Adrien Montagut-Romans
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire de Catalyse, Synthèse et Environnement, Institut de Chimie et de Biochimie Moléculaires et Supramoléculaires, ICBMS-CNRS-UMR 5246, F-69622 Villeurbanne Cedex, France; USC 1233 RS2GP, VetAgro Sup, INRA, Univ Lyon, F-69280 Marcy l'Etoile, France
| | - Manon Boulven
- Univ Lyon, Institut National des Sciences Appliquées (INSA-Lyon), Laboratoire de Chimie Organique et Bioorganique, ICBMS-CNRS-UMR 5246, F-69621 Villeurbanne Cedex, France
| | - Maïwenn Jacolot
- Univ Lyon, Institut National des Sciences Appliquées (INSA-Lyon), Laboratoire de Chimie Organique et Bioorganique, ICBMS-CNRS-UMR 5246, F-69621 Villeurbanne Cedex, France
| | - Sylvie Moebs-Sanchez
- Univ Lyon, Institut National des Sciences Appliquées (INSA-Lyon), Laboratoire de Chimie Organique et Bioorganique, ICBMS-CNRS-UMR 5246, F-69621 Villeurbanne Cedex, France
| | - Claire Hascoët
- USC 1233 RS2GP, VetAgro Sup, INRA, Univ Lyon, F-69280 Marcy l'Etoile, France
| | - Abdessalem Hammed
- USC 1233 RS2GP, VetAgro Sup, INRA, Univ Lyon, F-69280 Marcy l'Etoile, France
| | - Stéphane Besse
- USC 1233 RS2GP, VetAgro Sup, INRA, Univ Lyon, F-69280 Marcy l'Etoile, France
| | - Marc Lemaire
- Univ Lyon, Université Claude Bernard Lyon 1, Laboratoire de Catalyse, Synthèse et Environnement, Institut de Chimie et de Biochimie Moléculaires et Supramoléculaires, ICBMS-CNRS-UMR 5246, F-69622 Villeurbanne Cedex, France
| | - Etienne Benoit
- USC 1233 RS2GP, VetAgro Sup, INRA, Univ Lyon, F-69280 Marcy l'Etoile, France
| | - Virginie Lattard
- USC 1233 RS2GP, VetAgro Sup, INRA, Univ Lyon, F-69280 Marcy l'Etoile, France
| | - Florence Popowycz
- Univ Lyon, Institut National des Sciences Appliquées (INSA-Lyon), Laboratoire de Chimie Organique et Bioorganique, ICBMS-CNRS-UMR 5246, F-69621 Villeurbanne Cedex, France.
| |
Collapse
|
30
|
Warfarin resistance associated with genetic polymorphism of VKORC1: linking clinical response to molecular mechanism using computational modeling. Pharmacogenet Genomics 2016; 26:44-50. [PMID: 26513304 DOI: 10.1097/fpc.0000000000000184] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The variable response to warfarin treatment often has a genetic basis. A protein homology model of human vitamin K epoxide reductase, subunit 1 (VKORC1), was generated to elucidate the mechanism of warfarin resistance observed in a patient with the Val66Met mutation. The VKORC1 homology model comprises four transmembrane (TM) helical domains and a half helical lid domain. Cys132 and Cys135, located in the N-terminal end of TM-4, are linked through a disulfide bond. Two distinct binding sites for warfarin were identified. Site-1, which binds vitamin K epoxide (KO) in a catalytically favorable orientation, shows higher affinity for S-warfarin compared with R-warfarin. Site-2, positioned in the domain occupied by the hydrophobic tail of KO, binds both warfarin enantiomers with similar affinity. Displacement of Arg37 occurs in the Val66Met mutant, blocking access of warfarin (but not KO) to Site-1, consistent with clinical observation of warfarin resistance.
Collapse
|
31
|
Alessandrini M, Chaudhry M, Dodgen TM, Pepper MS. Pharmacogenomics and Global Precision Medicine in the Context of Adverse Drug Reactions: Top 10 Opportunities and Challenges for the Next Decade. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2016; 20:593-603. [PMID: 27643672 PMCID: PMC5072285 DOI: 10.1089/omi.2016.0122] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
In a move indicative of the enthusiastic support of precision medicine, the U.S. President Barack Obama announced the Precision Medicine Initiative in January 2015. The global precision medicine ecosystem is, thus, receiving generous support from the United States ($215 million), and numerous other governments have followed suit. In the context of precision medicine, drug treatment and prediction of its outcomes have been important for nearly six decades in the field of pharmacogenomics. The field offers an elegant solution for minimizing the effects and occurrence of adverse drug reactions (ADRs). The Clinical Pharmacogenetics Implementation Consortium (CPIC) plays an important role in this context, and it aims at specifically guiding the translation of clinically relevant and evidence-based pharmacogenomics research. In this forward-looking analysis, we make particular reference to several of the CPIC guidelines and their role in guiding the treatment of highly relevant diseases, namely cardiovascular disease, major depressive disorder, cancer, and human immunodeficiency virus, with a view to predicting and managing ADRs. In addition, we provide a list of the top 10 crosscutting opportunities and challenges facing the fields of precision medicine and pharmacogenomics, which have broad applicability independent of the drug class involved. Many of these opportunities and challenges pertain to infrastructure, study design, policy, and science culture in the early 21st century. Ultimately, rational pharmacogenomics study design and the acquisition of comprehensive phenotypic data that proportionately match the genomics data should be an imperative as we move forward toward global precision medicine.
Collapse
Affiliation(s)
- Marco Alessandrini
- Department of Immunology, Faculty of Health Sciences, and Institute for Cellular and Molecular Medicine, South African Medical Research Council Extramural Unit for Stem Cell Research and Therapy, University of Pretoria , Pretoria, South Africa
| | - Mamoonah Chaudhry
- Department of Immunology, Faculty of Health Sciences, and Institute for Cellular and Molecular Medicine, South African Medical Research Council Extramural Unit for Stem Cell Research and Therapy, University of Pretoria , Pretoria, South Africa
| | - Tyren M Dodgen
- Department of Immunology, Faculty of Health Sciences, and Institute for Cellular and Molecular Medicine, South African Medical Research Council Extramural Unit for Stem Cell Research and Therapy, University of Pretoria , Pretoria, South Africa
| | - Michael S Pepper
- Department of Immunology, Faculty of Health Sciences, and Institute for Cellular and Molecular Medicine, South African Medical Research Council Extramural Unit for Stem Cell Research and Therapy, University of Pretoria , Pretoria, South Africa
| |
Collapse
|
32
|
Gold catalyzed double condensation reaction: Synthesis, antimicrobial and cytotoxicity of spirooxindole derivatives. Bioorg Med Chem Lett 2016; 26:4310-7. [DOI: 10.1016/j.bmcl.2016.07.036] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/07/2016] [Accepted: 07/18/2016] [Indexed: 12/13/2022]
|
33
|
Kotali A, Nasiopoulou DA, Tsoleridis CA, Harris PA, Kontogiorgis CA, Hadjipavlou-Litina DJ. Antioxidant Activity of 3-[N-(Acylhydrazono)ethyl]-4-hydroxy-coumarins. Molecules 2016; 21:138. [PMID: 26805812 PMCID: PMC6273125 DOI: 10.3390/molecules21020138] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 12/29/2015] [Accepted: 01/15/2016] [Indexed: 11/16/2022] Open
Abstract
A series of 3-acylhydrazono-4-hydroxycoumarins were synthesized via condensation of 3-acetyl-4-hydroxycoumarin with appropriate hydrazides. The structures of the newly-synthesized compounds were characterized by spectral and elememental analysis or HRMS measurements. Their antioxidant properties were evaluated by using scavenging effects on 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical as well as inhibition of lipid peroxidation. Moreover, their ability to inhibit in vitro soybean lipoxygenase has been investigated. They were found to be capable of rapid inactivation of alkylperoxy radicals.
Collapse
Affiliation(s)
- Antigoni Kotali
- Laboratory of Organic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| | - Despina A Nasiopoulou
- Laboratory of Organic Chemistry, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| | - Constantinos A Tsoleridis
- Laboratory of Organic Chemistry, Department of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| | - Philip A Harris
- GlaxoSmithKline, 1250 South Collegeville Road, P. O. Box 5089, Collegeville, PA 19426-0989, USA.
| | - Christos A Kontogiorgis
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| | - Dimitra J Hadjipavlou-Litina
- Department of Pharmaceutical Chemistry, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
| |
Collapse
|
34
|
Nguir A, Mabrouk H, Douki W, Ben Ismail M, Ben Jannet H, Flamini G, Hamza MA. Chemical composition and bioactivities of the essential oil from different organs of Ferula communis L. growing in Tunisia. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1506-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
35
|
Talhi O, Fernandes JA, Pinto DC, Almeida Paz FA, Silva AM. Organobase catalyzed 1,4-conjugate addition of 4-hydroxycoumarin on chalcones: Synthesis, NMR and single-crystal X-ray diffraction studies of novel warfarin analogues. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2015.03.069] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
|
36
|
Miri R, Nejati M, Saso L, Khakdan F, Parshad B, Mathur D, Parmar VS, Bracke ME, Prasad AK, Sharma SK, Firuzi O. Structure-activity relationship studies of 4-methylcoumarin derivatives as anticancer agents. PHARMACEUTICAL BIOLOGY 2015; 54:105-10. [PMID: 26017566 DOI: 10.3109/13880209.2015.1016183] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
CONTEXT Cancer is a leading cause of death worldwide and novel chemotherapeutic agents with better efficacy and safety profiles are much needed. Coumarins are natural polyphenolic compounds with important pharmacological activities, which are present in many dietary plants and herbal remedies. OBJECTIVES The objective of this study is to investigate natural and synthetic coumarin derivatives with considerable anticancer capacity against three human cancer cell lines. MATERIALS AND METHODS We synthesized 27 coumarin derivatives (mostly having 4-methyl moiety) and examined their cytotoxic effect on three human cancer cell lines, K562 (chronic myelogenous leukemia), LS180 (colon adenocarcinoma), and MCF-7 (breast adenocarcinoma) by MTT reduction assay. Screened compounds included 7-hydroxy-4-methylcoumarins (7-HMCs), 7-acetoxy-4-methylcoumarins (7-AMCs), and different dihydroxy-4-methylcoumarin (DHMC) and diacetoxy-4-methylcoumarin (DAMC) derivatives. Some compounds with methoxy, amine, and bromine substitutions were also examined. RESULTS 7,8-DHMCs bearing alkyl groups at C3 position were the most effective subgroup, and of which, the most potent is compound 11, with an n-decyl chain at C3, which had IC50 values of 42.4, 25.2, and 25.1 µM against K562, LS180, and MCF-7 cells, respectively. The second most active subgroup was 7,8-DAMCs containing ethoxycarbonylmethyl and ethoxycarbonylethyl moieties at C3 position. Compound 27 (6-bromo-4-bromomethyl-7-hydroxycoumarin), the only derivative containing bromine also showed reasonable cytotoxic activities (IC50 range: 32.7-45.8 µM). DISCUSSION AND CONCLUSION This structure-activity relationship (SAR) study of 4-methylcoumarins shows that further investigation of these derivatives may lead to the discovery of novel anticancer agents.
Collapse
Affiliation(s)
- Ramin Miri
- a Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences , Shiraz , Iran
| | - Maryam Nejati
- a Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences , Shiraz , Iran
| | - Luciano Saso
- b Department of Physiology and Pharmacology "Vittorio Erspamer" , Sapienza University of Rome , Rome , Italy
| | - Fatemeh Khakdan
- a Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences , Shiraz , Iran
| | - Badri Parshad
- c Bioorganic Laboratory, Department of Chemistry , University of Delhi , Delhi , India , and
| | - Divya Mathur
- c Bioorganic Laboratory, Department of Chemistry , University of Delhi , Delhi , India , and
| | - Virinder S Parmar
- c Bioorganic Laboratory, Department of Chemistry , University of Delhi , Delhi , India , and
- d Laboratory of Experimental Cancer Research , University Hospital, University of Gent , Gent , Belgium
| | - Marc E Bracke
- d Laboratory of Experimental Cancer Research , University Hospital, University of Gent , Gent , Belgium
| | - Ashok K Prasad
- c Bioorganic Laboratory, Department of Chemistry , University of Delhi , Delhi , India , and
| | - Sunil K Sharma
- c Bioorganic Laboratory, Department of Chemistry , University of Delhi , Delhi , India , and
| | - Omidreza Firuzi
- a Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences , Shiraz , Iran
| |
Collapse
|
37
|
Barot KP, Jain SV, Kremer L, Singh S, Ghate MD. Recent advances and therapeutic journey of coumarins: current status and perspectives. Med Chem Res 2015. [DOI: 10.1007/s00044-015-1350-8] [Citation(s) in RCA: 87] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
|
38
|
Biscoumarin derivatives: Synthesis, crystal structure, theoretical studies and induced apoptosis activity on bladder urothelial cancer cell. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2014.12.024] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
|
39
|
Tai HH, Worrall K, Pelletier Y, De Koeyer D, Calhoun LA. Comparative metabolite profiling of Solanum tuberosum against six wild Solanum species with Colorado potato beetle resistance. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:9043-55. [PMID: 25144460 DOI: 10.1021/jf502508y] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The Colorado potato beetle Leptinotarsa decemlineata (Say) (CPB) is a coleopteran herbivore that feeds on the foliage on Solanum species, in particular, potato. Six resistant wild Solanum species were identified, and two of these species had low levels of glycoalkaloids. Comparative analysis of the untargeted metabolite profiles of the foliage using UPLC-qTOF-MS was done to find metabolites shared between the wild species but not with Solanum tuberosum (L.) to identify resistance-related metabolites. It was found that only S. tuberosum produced the triose glycoalkaloids solanine and chaconine. Instead, the six wild species produced glycoalkaloids that shared in common tetrose sugar side chains. Additionally, there were non-glycoalkaloid metabolites associated with resistance including hydroxycoumarin and a phenylpropanoid, which were produced in all wild species but not in S. tuberosum.
Collapse
Affiliation(s)
- Helen H Tai
- Agriculture and Agri-Food Canada Potato Research Centre, P.O. Box 20280, 850 Lincoln Road, Fredericton, New Brunswick, Canada E3B 4Z7
| | | | | | | | | |
Collapse
|
40
|
Georgieva I, Mihaylov T, Trendafilova N. Lanthanide and transition metal complexes of bioactive coumarins: molecular modeling and spectroscopic studies. J Inorg Biochem 2014; 135:100-12. [PMID: 24680836 DOI: 10.1016/j.jinorgbio.2014.03.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Revised: 03/07/2014] [Accepted: 03/10/2014] [Indexed: 11/15/2022]
Abstract
The present paper summarizes theoretical and spectroscopic investigations on a series of active coumarins and their lanthanide and transition metal complexes with application in medicine and pharmacy. Molecular modeling as well as IR, Raman, NMR and electronic spectral simulations at different levels of theory were performed to obtain important molecular descriptors: total energy, formation energy, binding energy, stability, conformations, structural parameters, electron density distribution, molecular electrostatic potential, Fukui functions, atomic charges, and reactive indexes. The computations are performed both in gas phase and in solution with consideration of the solvent effect on the molecular structural and energetic parameters. The investigations have shown that the advanced computational methods are reliable for prediction of the metal-coumarin binding mode, electron density distribution, thermodynamic properties as well as the strength and nature of the metal-coumarin interaction (not experimentally accessible) and correctly interpret the experimental spectroscopic data. Known results from biological tests for cytotoxic, antimicrobial, anti-fungal, spasmolytic and anti-HIV activities on the studied metal complexes are reported and discussed.
Collapse
Affiliation(s)
- I Georgieva
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 11 Acad. G. Bonchev Str., Sofia, Bulgaria.
| | - Tz Mihaylov
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 11 Acad. G. Bonchev Str., Sofia, Bulgaria
| | - N Trendafilova
- Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, 11 Acad. G. Bonchev Str., Sofia, Bulgaria
| |
Collapse
|
41
|
Stanković N, Mladenović M, Mihailović M, Arambašić J, Uskoković A, Stanković V, Mihailović V, Katanić J, Matić S, Solujić S, Vuković N, Sukdolak S. Synthesis and toxicological studies of in vivo anticoagulant activity of novel 3-(1-aminoethylidene)chroman-2,4-diones and 4-hydroxy-3-(1-iminoethyl)-2H-chromen-2-ones combined with a structure-based 3-D pharmacophore model. Eur J Pharm Sci 2014; 55:20-35. [PMID: 24468630 DOI: 10.1016/j.ejps.2014.01.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2013] [Revised: 01/13/2014] [Accepted: 01/15/2014] [Indexed: 11/16/2022]
Abstract
Eight synthesized 3-(1-aminoethylidene)chroman-2,4-diones and 4-hydroxy-3-(1-iminoethyl)-2H-chromen-2-ones were evaluated as in vivo anticoagulants by intraperitoneal application to adult male Wistar rats in order to examine their pharmacological potential, evaluate ther toxicity and propose the mechanism of action. Two of them, 2f and 2a, in concentration of 2mg/kg of body weight, presented remarkable activity (PT=130s; PT=90s) upon seven days of continuous application. The results of rat serum and liver biochemical screening, as well those of histopathological studies, proved the compounds to be non-toxic. Activity of the compounds was further examined on the molecular level. Here, molecular docking studies were performed to position the compounds in relation to the active site of VKORC1 and determine the bioactive conformations. Docking results suggested a non-covalent mode of action during which the proton transfer occurs from Cys135 SH towards 4-carbonyl group of anticoagulant. All crucial interactions for anticoagulant activity were confirmed in generated structure-based 3-D pharmacophore model, consisted of hydrogen bond acceptor and hydrophobic aromatic features, and quantified by a best correlation coefficient of 0.97.
Collapse
Affiliation(s)
- Nevena Stanković
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia.
| | - Milan Mladenović
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Mirjana Mihailović
- Department of Molecular Biology, Institute for Biological Research, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Jelena Arambašić
- Department of Molecular Biology, Institute for Biological Research, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Aleksandra Uskoković
- Department of Molecular Biology, Institute for Biological Research, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia
| | - Vesna Stanković
- Institute of Pathology, Faculty of Medical Sciences, Svetozara Markovića 69, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Vladimir Mihailović
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Jelena Katanić
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Sanja Matić
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Slavica Solujić
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Nenad Vuković
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| | - Slobodan Sukdolak
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, P.O. Box 60, 34000 Kragujevac, Serbia
| |
Collapse
|
42
|
Dhage GR, Thopate SR, Ramteke SN, Kulkarni PP. One-pot synthesis and evaluation of novel 3-aryl-6-ethoxycarbonyl-4-hydroxy-2H-pyran-2-one as a potent cytotoxic agent. RSC Adv 2014. [DOI: 10.1039/c4ra10015h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of new open chain analogs of Phelligridin J were synthesized and these compounds were found to be highly potent cytotoxic agents.
Collapse
Affiliation(s)
- Ganesh Raosaheb Dhage
- Department of Chemistry
- Prof. John Barnabas Post Graduate School of Biological Studies
- Ahmednagar College
- Ahmednagar-414001, India
| | - Shankar Ramchandra Thopate
- Department of Chemistry
- Prof. John Barnabas Post Graduate School of Biological Studies
- Ahmednagar College
- Ahmednagar-414001, India
| | | | | |
Collapse
|
43
|
Rishavy MA, Hallgren KW, Wilson LA, Usubalieva A, Runge KW, Berkner KL. The vitamin K oxidoreductase is a multimer that efficiently reduces vitamin K epoxide to hydroquinone to allow vitamin K-dependent protein carboxylation. J Biol Chem 2013; 288:31556-66. [PMID: 23918929 DOI: 10.1074/jbc.m113.497297] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The vitamin K oxidoreductase (VKORC1) recycles vitamin K to support the activation of vitamin K-dependent (VKD) proteins, which have diverse functions that include hemostasis and calcification. VKD proteins are activated by Glu carboxylation, which depends upon the oxygenation of vitamin K hydroquinone (KH2). The vitamin K epoxide (KO) product is recycled by two reactions, i.e. KO reduction to vitamin K quinone (K) and then to KH2, and recent studies have called into question whether VKORC1 reduces K to KH2. Analysis in insect cells lacking endogenous carboxylation components showed that r-VKORC1 reduces KO to efficiently drive carboxylation, indicating KH2 production. Direct detection of the vitamin K reaction products is confounded by KH2 oxidation, and we therefore developed a new assay that stabilized KH2 and allowed quantitation. Purified VKORC1 analyzed in this assay showed efficient KO to KH2 reduction. Studies in 293 cells expressing tagged r-VKORC1 revealed that VKORC1 is a multimer, most likely a dimer. A monomer can only perform one reaction, and a dimer is therefore interesting in explaining how VKORC1 accomplishes both reactions. An inactive mutant (VKORC1(C132A/C135A)) was dominant negative in heterodimers with wild type VKORC1, resulting in decreased KO reduction in cells and carboxylation in vitro. The results are significant regarding human VKORC1 mutations, as warfarin-resistant patients have mutant and wild type VKORC1 alleles. A VKORC1 dimer indicates a mixed population of homodimers and heterodimers that may have different functional properties, and VKORC1 reduction may therefore be more complex in these patients than appreciated previously.
Collapse
|
44
|
Shah RR, Shah DR. Personalized medicine: is it a pharmacogenetic mirage? Br J Clin Pharmacol 2013; 74:698-721. [PMID: 22591598 DOI: 10.1111/j.1365-2125.2012.04328.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The notion of personalized medicine has developed from the application of the discipline of pharmacogenetics to clinical medicine. Although the clinical relevance of genetically-determined inter-individual differences in pharmacokinetics is poorly understood, and the genotype-phenotype association data on clinical outcomes often inconsistent, officially approved drug labels frequently include pharmacogenetic information concerning the safety and/or efficacy of a number of drugs and refer to the availability of the pharmacogenetic test concerned. Regulatory authorities differ in their approach to these issues. Evidence emerging subsequently has generally revealed the pharmacogenetic information included in the label to be premature. Revised drugs labels, together with a flurry of other collateral activities, have raised public expectations of personalized medicine, promoted as 'the right drug at the right dose the first time.' These expectations place the prescribing physician in a dilemma and at risk of litigation, especially when evidence-based information on genotype-related dosing schedules is to all intent and purposes non-existent and guidelines, intended to improve the clinical utility of available pharmacogenetic information or tests, distance themselves from any responsibility. Lack of efficacy or an adverse drug reaction is frequently related to non-genetic factors. Phenoconversion, arising from drug interactions, poses another often neglected challenge to any potential success of personalized medicine by mimicking genetically-determined enzyme deficiency. A more realistic promotion of personalized medicine should acknowledge current limitations and emphasize that pharmacogenetic testing can only improve the likelihood of diminishing a specific toxic effect or increasing the likelihood of a beneficial effect and that application of pharmacogenetics to clinical medicine cannot adequately predict drug response in individual patients.
Collapse
|
45
|
Vázquez R, Riveiro ME, Vermeulen M, Alonso E, Mondillo C, Facorro G, Piehl L, Gómez N, Moglioni A, Fernández N, Baldi A, Shayo C, Davio C. Structure-anti-leukemic activity relationship study of ortho-dihydroxycoumarins in U-937 cells: key role of the δ-lactone ring in determining differentiation-inducing potency and selective pro-apoptotic action. Bioorg Med Chem 2012; 20:5537-49. [PMID: 22925447 DOI: 10.1016/j.bmc.2012.07.043] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 07/08/2012] [Accepted: 07/16/2012] [Indexed: 01/26/2023]
Abstract
Previous studies indicated the need of at least one phenolic hydroxyl group in the coumarin core for induction of cytotoxicity in different cell lines. Herein, we present an exhaustive structure-activity relationship study including ortho-dihydroxycoumarins (o-DHC) derivatives, cinnamic acid derivatives (as open-chain coumarin analogues) and 1,2-pyrones (representative of the δ-lactone ring of the coumarin core), carried out to further identify the structural features of o-DHC required to induce leukemic cell differentiation and apoptosis in U-937 cells. Our results show for the first time that the δ-lactone ring positively influences the aforementioned biological effects, by conferring greater potency to compounds with an intact coumarin nucleus. Most tellingly, we reveal herein the crucial role of this molecular portion in determining the selective toxicity that o-DHC show for leukemic cells over normal blood cells. From a pharmacological perspective, our findings point out that o-DHC may be useful prototypes for the development of novel chemotherapeutic agents.
Collapse
Affiliation(s)
- Ramiro Vázquez
- Laboratorio de Patología y Farmacología Molecular, Instituto de Biología y Medicina Experimental (IBYME)-CONICET, Vuelta de Obligado 2490 (C1428ADN), Buenos Aires, Argentina; Cátedra de Química Medicinal, Facultad de Farmacia y Bioquímica-UBA, Junín 954 (C1113AAD), Buenos Aires, Argentina.
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
46
|
Matić S, Stanić S, Solujić S, Mladenović M, Mihailović V. In vivo antigenotoxic potential and possible mechanism of action of selected 4-hydroxy-2H-chromen-2-one derivatives. J Biochem Mol Toxicol 2012; 26:322-30. [DOI: 10.1002/jbt.21426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2012] [Revised: 05/28/2012] [Accepted: 06/11/2012] [Indexed: 11/08/2022]
|
47
|
Bristow MR. Pharmacogenetic targeting of drugs for heart failure. Pharmacol Ther 2012; 134:107-15. [DOI: 10.1016/j.pharmthera.2012.01.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2011] [Accepted: 12/30/2011] [Indexed: 10/14/2022]
|
48
|
Total synthesis of flocoumafen via knoevenagel condensation and intramolecular ring cyclization: general access to natural products. Molecules 2012; 17:2091-102. [PMID: 22354187 PMCID: PMC6268178 DOI: 10.3390/molecules17022091] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2012] [Revised: 02/09/2012] [Accepted: 02/14/2012] [Indexed: 11/17/2022] Open
Abstract
The total synthesis and structure determination of cis- and trans-flocoumafen was described. The key synthetic steps involve Knoevenagel condensation with p-methoxybenzaldehyde, in situ decarboxylation and intramolecular ring cyclization to construct the tetralone skeleton. Stereospecific reduction of the O-alkylated ketone 13 afforded good yield of precusor alcohol 5. Final coupling of alcohol 5 with 4-hydroxy-coumarin yielded flocoumafen (1). Separation and structure determination of cis- and trans-flocoumafen through 2D NMR analyses-assisted computer simulation techniques for the evaluation of anticoagulant activities are reported for the first time. This method is useful for generating the core tetralone skeleton of 4-hydroxycoumarin derivatives and provides a generalized access to various warfarin type anticoagulants.
Collapse
|
49
|
Friedman RJ. Novel oral anticoagulants for VTE prevention in orthopedic surgery: overview of phase 3 trials. Orthopedics 2011; 34:795-804. [PMID: 21956181 DOI: 10.3928/01477447-20110826-24] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Outpatient use of anticoagulants to prevent venous thromboembolism after total hip or knee arthroplasty may be hampered either by requirements for parenteral administration or high variability and frequent monitoring of anticoagulant activity. Trials of the new oral direct factor Xa inhibitors rivaroxaban and apixaban and the direct thrombin inhibitor dabigatran indicate that they can be administered in fixed doses without monitoring and that they generally have efficacy at least equivalent to enoxaparin, although with potential minor differences in the balance of efficacy vs risk for bleeding. This article reviews the results and pharmacokinetic properties that may influence their use in clinical practice.
Collapse
|
50
|
Kitzmiller JP, Groen DK, Phelps MA, Sadee W. Pharmacogenomic testing: relevance in medical practice: why drugs work in some patients but not in others. Cleve Clin J Med 2011; 78:243-57. [PMID: 21460130 DOI: 10.3949/ccjm.78a.10145] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Genetics may account for much of the variability in our patients' responses to drug therapies. This article offers the clinician an up-to-date overview of pharmacogenomic testing, discussing implications and limitations of emerging validated tests relevant to the use of warfarin (Coumadin), clopidogrel (Plavix), statins, tamoxifen (Nolvadex), codeine, and psychotropic drugs. It also discusses the future role of pharmacogenomic testing in medicine.
Collapse
Affiliation(s)
- Joseph P Kitzmiller
- Department of Pharmacology, Division of Clinical Trials, College of Medicine, The Ohio State University, Columbus, USA.
| | | | | | | |
Collapse
|